matthew



July 8, 1958 M. P. MATTHEW TYPEWRITER CONTROLLED CALCULATORS 3O Sheets-Sheet 1 Filed Sept. 15. 1953 III FIE E July 8, 1958 M. P. MATTHEW TYPEWRITER CONTROLLED CALCULATORS $0 Sheets-Sheet 2 Filed Sept. 15, 1953 July 8, 1958 M. P. MATTHEW 2,342,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 so Sheets-Sheet 3 y 1958 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15. 1953 50 Sheets-Sheet 4 FIIE. 5

July 8, 1958 MATTHEW 2,842,310

TYPEWRITBR CONTROLLED CALCULATORS .1958 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 6 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS V 30 Sheets-Sheet 7 July 8, 1958 Filed Sept. 15, 1953 F IE El July 8, 1958 M. P. MATTHEW 2,842,310

TYPEWRITER CQNTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 9 FIE EII July 8, 1958 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 I50 Sheets-Sheet 11 1 l o I "Lime" 6-9 LOW P514 BACKSPACE E ;;25 l 439 l 5 f" 439 139 w (a a E a (a I39 I s 7 a 9 I i l 13a 49: 99 26 50s 40: 5|: I38

July 8, 1958 M. P. MATTHEW 2,342,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 12 July 8, 1958 M. P. MATTHEW 2,342,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 13 1958 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1955 30 Sheets-Sheet 14 July 8, 1958 M. P. MATTHEW TYPEWRITER CONTROLLED CALCULATORS 3O Sheets-Sheet 15 Filed Sept. 15, 1953 l IP muiul lu v mg l July 8, 1958 M. P. MATTHEW TYPEWRITER CONTROLLED CALCULATORS 3O Sheets-Sheet 16 Filed Sept. 15, 1953 July 8, 1958 M. P. MATTHEW TYPEWRITER CONTROLLED CALCULATORS 30 Sheets-Sheet 17 Filed Sept. 15. 1953 y 1958 M. P. MATTHEW 2,842,310

TYPEWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 so Sheets-Sheet 1s 1 FIE 2-1 12g 221 O o y 1958 M. l MATTHEW 2,842,310

TYPEIWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 19 July 8, 1958 M. P. MATTHEW TYPEIWRITER CONTROLLED CALCULATORS Filed Sept. 15, 1953 30 Sheets-Sheet 20 

